Texas A&M · Astronomy

ASTR 420 Advanced Astrophysical Research Methods

Catalog credits: 3
Spring 2027 sections: 1 listed
Historical grades: 6 section records

Grade history by instructor

Choose a term to see published sections. Bars show each letter’s share of the A–F grades in that row.

Reports checked for 12 terms from Spring 2021 through Summer 2026. The registrar suppresses small sections. Campus is unspecified in these college reports.

Instructor, section or term

Spring 2026 · 1 section record

Spring 2026 grades by instructor and section
Instructor and section	A–F grades	GPA	Source
WALSH JSection 500 · Arts & Sciences	A 8B 3C 1D 0F 0 12 A–F	3.583	PDF p. 228

Spring 2025 · 1 section record

Spring 2025 grades by instructor and section
Instructor and section	A–F grades	GPA	Source
STRIGARI LSection 500 · Arts & Sciences	A 15B 2C 1D 0F 0 18 A–F	3.777	PDF p. 218

Spring 2024 · 1 section record

Spring 2024 grades by instructor and section
Instructor and section	A–F grades	GPA	Source
WALSH JSection 500 · Arts & Sciences	A 12B 2C 1D 0F 0 15 A–F	3.733	PDF p. 237

Spring 2023 · 1 section record

Spring 2023 grades by instructor and section
Instructor and section	A–F grades	GPA	Source
WALSH JSection 500 · Arts & Sciences	A 9B 5C 2D 1F 2 19 A–F	2.947	PDF p. 228

Spring 2022 · 1 section record

Spring 2022 grades by instructor and section
Instructor and section	A–F grades	GPA	Source
WALSH JSection 500 · Science (Pre-Fall 2022)	A 10B 4C 4D 0F 0 18 A–F · 20 total	3.333	PDF p. 88

Spring 2021 · 1 section record

Spring 2021 grades by instructor and section
Instructor and section	A–F grades	GPA	Source
WALSH JSection 500 · Science (Pre-Fall 2022)	A 6B 0C 2D 0F 0 8 A–F · 9 total	3.500	PDF p. 89

Sources checked Nov 5, 2026Registrar grade reports All published course totals

Catalog and requirements

2026–2027 · Undergraduate · Catalog excerpt

Advanced research techniques used by modern-day astronomers to obtain, process and analyze data from grounds and space-based telescopes.

Catalog references include ASTR 320. Check the official entry for the full conditions.

Catalog checked Nov 5, 2026Full official catalog entry

College Station sections

Use the Howdy schedule to confirm seats, restrictions and registration.

Spring 2027 · 1 section
Fall 2026 · No College Station sections in this snapshot.
Summer 2026 · No College Station sections in this snapshot.
Spring 2026 · 1 section
Fall 2025 · No College Station sections in this snapshot.
Browse archived schedules for ASTR 420

Sources checked Nov 5, 2026Open Howdy Public Class Search

By Sulayman Bowles · Updated Nov 5, 2026